<div class="container"></div>

<style>
/* From Uiverse.io by 16alves02  - Tags: red, green, css, pattern */
.container {
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to right,
    #289a6a 0%,
    #289a6a 30%,
    #ffcd00 30%,
    #ffcd00 70%,
    #ef3340 70%,
    #ef3340 100%
  );
  background-size: 120px 100%;
  background-repeat: repeat;
}

</style>
    